Home / 56,283.92-84,376.20-21,248.18

Finding the Fourth Proportional to 56,283.92, 84,376.20 and 21,248.18

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Solution

The fourth proportional to 56,283.92, 84,376.20 and 21,248.18 is: 31,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.92 : 84,376.20 = 21,248.18 : x
  2. Step 2: Convert to fraction form
    56,283.92/84,376.20 = 21,248.18/x
  3. Step 3: Cross multiply
    56,283.92x = 84,376.20 × 21,248.18
  4. Step 4: Simplify right side
    56,283.92x = 1,792,840,685.32
  5. Step 5: Solve for x
    x = 1,792,840,685.32/56,283.92
  6. Step 6: Final answer
    x = 31,853.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.